Cite

Herrera, John J.. "[Letter from John J. Herrera to Douglas M. Herrera - 1970-04-14]." University of North Texas. Libraries. 1970-04-14, https://texashistory.unt.edu/ark:/67531/metapth248564/.

Herrera, John J. (1970-04-14). [Letter from John J. Herrera to Douglas M. Herrera - 1970-04-14]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth248564/

Herrera, John J.. "[Letter from John J. Herrera to Douglas M. Herrera - 1970-04-14]." 1970-04-14. June 20, 2025. https://texashistory.unt.edu/ark:/67531/metapth248564/.